gpu buying help, budget 14k

Will buy a gpu tomorrow for my cousin.his budget was around 10/11k but suddenly he has increased it to 14000tk.the gigabyte 7770 looked a good deal to me @11k but he wants something better than this.so what's the best gpu in 14k?btw he has a delta 550w psu.

16k msi and gigabyte both available (gtx 560) and 6850 will be a loss project as 7770 this days beats or equal with 6850 and also have good driver support. And post at gaming gear group at fb . .you will get lots of reliable 2nd hand gpus there

16k msi and gigabyte both available (gtx 560) and 6850 will be a loss project as 7770 this days beats or equal with 6850 and also have good driver support. And post at gaming gear group at fb . .you will get lots of reliable 2nd hand gpus there